| Point Forecast: San Francisco CA 37.77N 122.41W (Elev. 131 ft) |
Last Update: 1:26 pm PDT Sep 17, 2024 |
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| Date | 09/17 | 09/18 | ||||||||||||||||||||||
| Hour (PDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 65 | 66 | 64 | 63 | 62 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 58 | 58 | 59 | 59 | 60 | 61 | 62 | 65 | 66 | 67 | 68 |
| Dewpoint (°F) | 57 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 58 | 59 | 60 | 61 | 61 | 60 | 60 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 13 | 14 | 14 | 13 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 |
| Wind Dir | WSW | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | WSW | WSW | W |
| Gust | 20 | 21 | 21 | 20 | 18 | 18 | 18 | 18 | 18 | |||||||||||||||
| Sky Cover (%) | 43 | 51 | 63 | 77 | 84 | 83 | 76 | 78 | 69 | 76 | 75 | 75 | 76 | 78 | 82 | 83 | 80 | 70 | 77 | 77 | 70 | 70 | 70 | 70 |
| Precipitation Potential (%) | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 9 | 9 | 9 | 9 | 9 | 9 | 43 | 43 | 43 | 43 | 43 | 43 | 55 | 55 | 55 | 55 |
| Relative Humidity (%) | 73 | 75 | 79 | 80 | 86 | 86 | 87 | 88 | 86 | 88 | 90 | 89 | 89 | 93 | 91 | 92 | 93 | 93 | 93 | 92 | 88 | 82 | 80 | 77 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/19 | |||||||||||||||||||||||
| Hour (PDT) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 |
| Temperature (°F) | 67 | 67 | 66 | 65 | 62 | 60 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 57 | 57 | 58 | 60 | 62 | 63 | 65 | 66 | 67 |
| Dewpoint (°F) | 60 | 60 | 60 | 58 | 58 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 58 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 10 | 10 | 11 | 10 | 7 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 5 | 6 | 7 | 9 | 10 |
| Wind Dir | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | SW | SW | SW | SW | SW | WSW | WSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 70 | 70 | 30 | 25 | 35 | 29 | 40 | 47 | 53 | 57 | 61 | 65 | 69 | 74 | 78 | 71 | 63 | 56 | 54 | 51 | 49 | 45 | 40 | 36 |
| Precipitation Potential (%) | 55 | 55 | 15 | 15 | 15 | 15 | 15 | 15 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Relative Humidity (%) | 78 | 78 | 80 | 80 | 84 | 87 | 87 | 88 | 88 | 89 | 90 | 90 | 90 | 90 | 90 | 91 | 92 | 91 | 90 | 87 | 84 | 80 | 76 | 73 |
| Rain | Lkly | Lkly | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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